Comment by gruez

>Disabling "advertising ID" on iOS makes it extremely difficult to reliably fingerprint phones.

You got this flipped. The whole point of "fingerprinting" is to build a stable identifier that works even if a explicit identifier (IMEI or advertising ID) isn't available. And yes, there are shady SDKs that do this without facing repercussions.

https://www.buchodi.com/i-broke-applovins-mediation-cipher-p...